package threading;

import java.util.Scanner;

public class ThreadDemo14 {
    volatile public static int flag = 0;

    public static void main(String[] args) {
        Thread t1 = new Thread(() -> {
           while (flag == 0) {
               //空着
           }
            System.out.println("循环结束 t1结束");
        });

        Thread t2 = new Thread(() -> {
            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入一个整数:");
            flag = scanner.nextInt();
        });

        t1.start();
        t2.start();

    }
}
